<template>
    <!-- 头部 -->
    <header class="header">
      <!-- 头部的第一行 -->
      <div class="top">
        <div class="container">
          <div class="loginList">
            <p>尚品汇欢迎您！</p>
            <p>
              <span>请</span>
              <router-link to="/Login">登录</router-link>
              <router-link to="/Register" class="register">免费注册</router-link>
            </p>
            <p v-if="userMessage.nickName"><span>欢迎您</span>
            <span>{{ userMessage.nickName }}</span></p>
            <span @click="logout">退出登录</span>
          </div>
          <div class="typeList">
            <router-link to="/Center">我的订单</router-link>
            <router-link to="/ShopCart">我的购物车</router-link>
            <a href="###">我的尚品汇</a>
            <a href="###">尚品汇会员</a>
            <a href="###">企业采购</a>
            <a href="###">关注尚品汇</a>
            <a href="###">合作招商</a>
            <a href="###">商家后台</a>
          </div>
        </div>
      </div>
      <!--头部第二行 搜索区域-->
      <div class="bottom">
        <h1 class="logoArea">
          <router-link to="/Home" class="logo">
            <img src="./images/logo.png" alt="" />
          </router-link>
        </h1>
        <div class="searchArea">
          <form action="###" class="searchForm">
            <input
              type="text"
              id="autocomplete"
              class="input-error input-xxlarge"
            />
            <router-link
              tag="button"
              to="/search"
              class="sui-btn btn-xlarge btn-danger"
              type="button"
            >
              搜索
            </router-link>
          </form>
        </div>
      </div>
    </header>
  </template>
  
  <script>
  import { mapState ,mapMutations} from "vuex";
  import {reqLogout} from "@/api"
  export default {
    name: "Header",
    data() {
    return {
      keyword: "",
    };
  },
  mounted() {
    //1.初始化阶段就要绑定$bus的事件,等待别人传值
    this.$bus.$on("clearKeyword", () => {
      this.keyword = "";
    });
  },

  methods: {
    toSearch() {
      //我们可以把关键字作为params参数携带，但是我们在搜索的时候，很可能已经有三级分类的query参数了
      //跳转的时候，要把query参数获取过来，一起合并后再跳转
      const { query } = this.$route;
      this.$router.push({
        name: "Search",
        params: {
          keyword: this.keyword || null,
        },
        query,
      });
    },
    ...mapMutations("User",["remove_Token"]),
    async logout(){
      await reqLogout()
      alert("退出登陆成功")
      //清理本地token
      this.remove_Token()
      //跳转到登录页
      this.$router.push({
        name:"Login"
      })
    }
  },

  computed: {
    ...mapState("User", ["userMessage"]),
  },
};

  </script>
  
  <style scoped lang="less">
  .header {
    & > .top {
      background-color: #eaeaea;
      height: 30px;
      line-height: 30px;
  
      .container {
        width: 1200px;
        margin: 0 auto;
        overflow: hidden;
  
        .loginList {
          float: left;
  
          p {
            float: left;
            margin-right: 10px;
  
            .register {
              border-left: 1px solid #b3aeae;
              padding: 0 5px;
              margin-left: 5px;
            }
          }
        }
  
        .typeList {
          float: right;
  
          a {
            padding: 0 10px;
  
            & + a {
              border-left: 1px solid #b3aeae;
            }
          }
        }
      }
    }
  
    & > .bottom {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;
  
      .logoArea {
        float: left;
  
        .logo {
          img {
            width: 175px;
            margin: 25px 45px;
          }
        }
      }
  
      .searchArea {
        float: right;
        margin-top: 35px;
  
        .searchForm {
          overflow: hidden;
  
          input {
            box-sizing: border-box;
            width: 490px;
            height: 32px;
            padding: 0px 4px;
            border: 2px solid #ea4a36;
            float: left;
  
            &:focus {
              outline: none;
            }
          }
  
          button {
            height: 32px;
            width: 68px;
            background-color: #ea4a36;
            border: none;
            color: #fff;
            float: left;
            cursor: pointer;
  
            &:focus {
              outline: none;
            }
          }
        }
      }
    }
  }
  </style>